Home / 14,323.47-19,765.10-8,355.66

Finding the Fourth Proportional to 14,323.47, 19,765.10 and 8,355.66

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Solution

The fourth proportional to 14,323.47, 19,765.10 and 8,355.66 is: 11,530.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.47 : 19,765.10 = 8,355.66 : x
  2. Step 2: Convert to fraction form
    14,323.47/19,765.10 = 8,355.66/x
  3. Step 3: Cross multiply
    14,323.47x = 19,765.10 × 8,355.66
  4. Step 4: Simplify right side
    14,323.47x = 165,150,413.69
  5. Step 5: Solve for x
    x = 165,150,413.69/14,323.47
  6. Step 6: Final answer
    x = 11,530.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.